名词
中文翻译：分层的
同义词：
['stratified material', 'stratigraphy例句：1. The rock layers are visible in the cliff face.（岩石层在悬崖面上可见。）2. The geologist studied the stratigraphy of the area.（地质学家研究了该地区的地层学。）']
例句：
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1. The rock layers are visible in the cliff face.
岩石层在悬崖面上可见。
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2. The geologist studied the stratigraphy of the area.
地质学家研究了该地区的地层学。
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3.The stratified sediments provide clues to the history of the region.
分层沉积物为该地区的历史提供了线索。